222120323077 has 2 divisors, whose sum is σ = 222120323078. Its totient is φ = 222120323076.

The previous prime is 222120323059. The next prime is 222120323107. The reversal of 222120323077 is 770323021222.

222120323077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218924795236 + 3195527841 = 467894^2 + 56529^2 .

It is a cyclic number.

It is not a de Polignac number, because 222120323077 - 2¹⁵ = 222120290309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222120323057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060161538 + 111060161539.

It is an arithmetic number, because the mean of its divisors is an integer number (111060161539).

Almost surely, 2^222120323077 is an apocalyptic number.

It is an amenable number.

222120323077 is a deficient number, since it is larger than the sum of its proper divisors (1).

222120323077 is an equidigital number, since it uses as much as digits as its factorization.

222120323077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 31.

Adding to 222120323077 its reverse (770323021222), we get a palindrome (992443344299).

The spelling of 222120323077 in words is "two hundred twenty-two billion, one hundred twenty million, three hundred twenty-three thousand, seventy-seven".